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Re: arch-independent glibc printf segfault for "special" long double val


From: Bruno Haible
Subject: Re: arch-independent glibc printf segfault for "special" long double values
Date: Fri, 8 Jun 2007 12:21:49 +0200
User-agent: KMail/1.5.4

Jim Meyering wrote:
> Well, at least it is not IA64-specific.
> To trigger it you need a "long double" type longer than 8 bytes.

More precisely, it occurs for floating-point data formats in which the
most significant mantissa bit is not "hidden".
  - It does not occur with IEEE 754 'float', 'double'.
  - It occurs with the 80-bit 'long double' on i386, x86_64, ia64.
  - It does not occur with the 128-bit 'long double' on ia64/HP-UX.

Bruno





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